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(FILES) In this October 9, 2014 file photo, Tesla co-founder and chief executive Elon Musk unveils the dual engine chasis of the new Tesla 'D' model which is a faster and all-wheel-drive version of the Model S electric sedan at the Hawthorne Airport in Los Angeles. Tesla Motors shares jumped March 30, 2015 Musk tweeted that the company would unveil as "major" new product line next month, leaving analysts guessing. Shares in the electric car star rallied three percent to $190.97 on the news. AFP PHOTO/Mark RALSTON/FILESMARK RALSTON/AFP/Getty Images